Sunan Ibn Majah — Establishing the Prayer and the Sunnah Regarding Them — Hadith No: 934
Translation
It was narrated from Nafi’ that Ibn ‘Umar said:“The Messenger of Allah (ﷺ) said: ‘If food is served and the Iqamah for prayer is given, then start with the food.” He said: "Ibn 'Umar ate dinner one night while he could hear the Iqamah